Angelina & Jen Prepare for the Inevitable

As the days count down to the Feb. 23 Night Before fundraiser at the Beverly Hills Hotel, where co-hosts Jennifer Aniston and Angelina Jolie will occupy the same space for the first time since Jen split from ex-hubby Brad Pitt, sources tell OK! that the two ladies are preparing for the event in two very different ways.

"Jen has finally decided this would be her night to get even," a top studio exec explains in the new issue of OK!. "She'll have herself drop-dead gorgeous for the evening and supported by some of the most powerful people in Hollywood."

In recent days, Jen's been sneaking off to a Vancouver spa in between takes on the set of her upcoming film for everything from pedicures to lash and brow tints.

"She has spent a long time preparing for this moment," a friend of the actress tells OK!. "Jen wants it to be on her terms."

Meanwhile, if the inevitable awkwardness is weighing on the mind of mom-to-be Angelina, it's certainly not showing to those around her.

"Angie hardly ever thinks about Jennifer, to be honest," a pal of the Oscar winner tells OK!. "She's got more important things on her mind than Brad's ex-wife."

And as for how Angelina is getting ready for the gala, the friend says, "This isn't really anything out of the ordinary for her, and she's not doing anything differently to prepare for it."

For the complete look at these two very different women, pick up the new issue of OK! — on newsstands everywhere Thursday.